Evaluating methods for controlling algae in carrier water storage tanks

This work was performed with Mike Cowbrough, OMAFRA Field Crop Weed Specialist. In the early summer months, many field and specialty crop operations collect rainwater (or possibly pump water from holding ponds) into storage tanks for use as a carrier in spray applications. These tanks may be stationary, or they may be part of a […]

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How to Spray Ginseng

This article was co-written with Dr. Sean Westerveld, Ontario Ginseng and Herb Specialist. Introduction An effective ginseng protection program begins with observing the Integrated Pest Management (IPM) process: When spraying is warranted, the operator should understand the basics of application technology. This not only includes the equipment, but the effects of changing spraying parameters (such […]

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Adjusting Sprayer for Alternate Rows

An “Alternate Row Middle (ARM)” traffic pattern is where the sprayer passes down every second row. The intent is to improve work rate by cutting the driving time in half. The operator hopes to provide suitable coverage on both the sprayer-facing half of the canopy, and that half of the canopy facing the next alley. […]

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Clean Your Nozzles

When operators winterize their sprayers, they should remove all the tips and store them separately. Many store them in large pails with lids. Calibrating the sprayer just prior to winterizing will indicate if the nozzles should be stored, or replaced. Let’s assume each tip flow rate is within 5% of the average output and no more than 5% […]

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Spray Drift Basics

This article is intended as a basic overview of what pesticide spray drift is and how to avoid it. If you want a more in-depth study of the physics of drift, head over here. Defining Drift Pesticide spray drift is the aerial movement, and unintentional deposit, of pesticide outside the target area. Aside from being […]

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